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Sight glass is used to indicate: 1.The condition of the plant liquid line; 2.The moisture content in the refrigerant; 3.The flow in the oil return line from the oil separator. It is fitted with an indicator which changes color to show the moisture content in the refrigerant, the moisture indicators in the sight glasses are dirt repelling.

♦ Indicates too high water contents in the refrigeration system

♦ Indication of lack of sub-cooling

♦ Indication of refrigerant deficiency

♦ Flare or solder connection

♦ For CFC HCFC and HFC refrigerants

NANTONG OEM REFRIGERATION EQUIPMENT CO., LTD. is a professional manufacturer for Refrigeration components, including Filter Driers, Suction-line Filters and Brass Forged Valves. The company has 15000 sq. meter standard workshop and office building, high-tech. quality inspection equipments. All the production, quality control and management are exactly according to ISO9001 and CE (PED) standard.

Our annual output is 2 million different kinds of Filters and 1 million valves. The products are selling to all over the world, especially in USA, Brazil, Russia, Europe and Australia, We cooperate with world famous company as Carrier, Daikin, Bitzer, Emerson and so on . We produce according to drawings and samples, welcome to contact with us for your specific OEM needs.